What would (2a²b)² be? Stuck on this Algebra.

Answers

Answer 1

Answer: ${ \left( 2{ a }^( 2 )b \right) }^( 2 )\n \n =\left( 2{ a }^( 2 )b \right) \left( 2{ a }^( 2 )b \right) \n \n =2\cdot 2\cdot { a }^( 2 )\cdot { a }^( 2 )\cdot b\cdot b\n \n =4{ a }^( 4 ){ b }^( 2 )$

Answer 2

Answer: $(2a^2b)^2=2^2(a^2)^2b^2=4a^(2\cdot2)b^2=4a^4b^2\n\nUsed:(x\cdot y)^n=x^n\cdot y^n\ and\ (x^n)^m=x^(n\cdot m)$

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How do I find the percent of 38% of 50

Answers

50 × .38 = 19 50 - 19 = 31 so 38% of 50 is 31

First calculate your percent as: 1-0.38=0.62. Then, multiply 0.62 by 50= 31. Your answer is 31

Can you guys help me with this too? Thank you :)))

Answers

Answer:

x = 10

Step-by-step explanation:

First look at the big overall triangle.

It has a right angle and another angle of 44; therefore the missing angle is (since the sum of angles inside a triangle is 180)

180 - 90 - 44 = missing angle

missing angle (top) = 46; now the angle of a straight line is 180 and they give you 56° which has a supplementary angle of 180 - 56 = 124°.

Now we know that the triangle that include the x has angles 46° (missing top angle), and supplementary angle of 124°. Therefore

x = 180 - 46 - 124

x = 10

Which of the following numbers has a prime factorization of 2 x 3 x 7?21
48
42
35

Answers

Answer:

Step-by-step explanation:

2 x 3 x 7 = 42

Please, solve this exercice:1+2+2²+2³+2⁴+....+ 2²⁰¹¹

It can be solved by using geometric progression?

Answers

$1+2+2^2+2^3+2^4+...+2^(2011)\n\na_1=1;\ a_2=1\cdot2=2;\ a_3=2\cdot2=2^2;\ a_4=2^2\cdot2=2^3\n\vdots\na_(2012)=2^(2010)\cdot2=2^(2011)$

$The\ sum\ of\ a\ terms\ of\ geometric\ progression:S_n=(a_1(1-r^n))/(1-r)\n\na_1=1;\ r=2\n\nsubtitute:\n\nS_(2012)=(1(1-2^(2012)))/(1-2)=(1-2^(2012))/(-1)=2^(2012)-1\n\nOnly\ that...(606\ digits,\ if\ you\ want\ how\ length\ this\ number)$

Plz help this is due rn. Question is below!

Answers

The answer is -5 i think?

Answer:

if its sub it would be 20-5=15

but if its divid it will be 20/5=4

Step-by-step explanation:

Sally has decided to purchase a used car. The car costs $5800, she was able to pay $500 down; she was also able to secure a 3-year loan at 7.5%. She knows that she can afford to spend a maximum of $200 on a car payment each month. Write the Excel function that would tell her the maximum amount she could borrow

Answers

Answer:

I don’t know but subtract get 120.59

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